Shower filter



FIG. 1 is a front top perspective view of a first embodiment of a shower filter showing our design;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front top perspective view of a second embodiment of a shower filter showing our design;

FIG. 9 is a right elevational view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a left elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is a top plan view thereof.

The broken lines represent portions of the shower filter that form no part of the claimed design. 

CLAIM The ornamental design for a shower filter, as shown and described. 